1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 /** 26 * @test 27 * @bug 8031321 28 * @summary Verify that results of computations are the same w/ 29 * and w/o usage of ANDN instruction 30 * @library /testlibrary /testlibrary/whitebox 31 * @build TestAndnI BMITestRunner Expr 32 * @run main ClassFileInstaller sun.hotspot.WhiteBox 33 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 34 * -XX:+WhiteBoxAPI TestAndnI 35 */ 36 37 import sun.hotspot.WhiteBox; 38 import sun.hotspot.cpuinfo.CPUInfo; 39 40 public class TestAndnI { 41 42 private static WhiteBox wb = WhiteBox.getWhiteBox(); 43 44 public static void main(String args[]) throws Throwable { 45 if (!new CPUInfo(wb.getCPUFeatures()).hasFeature("bmi1")) { 46 System.out.println("CPU does not support bmi1 feature. "+ 47 "Test skipped."); 48 return; 49 } 50 51 BMITestRunner.runTests(AndnIExpr.class, args, 52 "-XX:+UseBMI1Instructions"); 53 BMITestRunner.runTests(AndnICommutativeExpr.class, args, 54 "-XX:+UseBMI1Instructions"); 55 } 56 57 public static class AndnIExpr extends Expr.BMIBinaryIntExpr { 58 59 public int intExpr(int src1, int src2) { 60 return ~src1 & src2; 61 } 62 63 public int intExpr(int src1, Expr.MemI src2) { 64 return ~src1 & src2.value; 65 } 66 67 public int intExpr(Expr.MemI src1, int src2) { 68 return ~src1.value & src2; 69 } 70 71 public int intExpr(Expr.MemI src1, Expr.MemI src2) { 72 return ~src1.value & src2.value; 73 } 74 } 75 76 public static class AndnICommutativeExpr extends Expr.BMIBinaryIntExpr { 77 78 public int intExpr(int src1, int src2) { 79 return src1 & ~src2; 80 } 81 82 public int intExpr(int src1, Expr.MemI src2) { 83 return src1 & ~src2.value; 84 } 85 86 public int intExpr(Expr.MemI src1, int src2) { 87 return src1.value & ~src2; 88 } 89 90 public int intExpr(Expr.MemI src1, Expr.MemI src2) { 91 return src1.value & ~src2.value; 92 } 93 } 94 }